The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 24, 2018
Filed:
Jul. 21, 2017
Applicant:
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Inventors:
Qing Yang, Bartlesville, OK (US);
Richard M. Buck, Bartlesville, OK (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); C08F 4/00 (2006.01); B01J 31/00 (2006.01); C08F 210/16 (2006.01); B01J 19/00 (2006.01); G01N 21/33 (2006.01); G01N 21/31 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); B01J 19/0006 (2013.01); G01N 21/31 (2013.01); G01N 21/33 (2013.01); B01J 2219/00164 (2013.01);
Abstract
Methods for determining the concentration of transition metal compounds in a solution containing more than one transition metal compound are described. Polymerization reactor systems providing real-time monitoring and control of the concentrations of the transition metal components of a multicomponent catalyst system are disclosed, as well as methods for operating such polymerization reactor systems.